/*
	Copyright (c) 2010, Mathias Myrland, Myrland Systemutvikling ( mathias@myrsys.no)
	All rights reserved.

	Redistribution and use in source and binary forms, with or without
	modification, are permitted provided that the following conditions are met:
	
	    * Redistributions of source code must retain the above copyright
	      notice, this list of conditions and the following disclaimer.
	      
	    * Redistributions in binary form must reproduce the above copyright
	      notice, this list of conditions and the following disclaimer in the
	      documentation and/or other materials provided with the distribution.
	      
	    * Neither the name of Myrland Systemutvikling nor the
	      names of its contributors may be used to endorse or promote products
	      derived from this software without specific prior written permission.

	THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
	ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
	WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
	DISCLAIMED. IN NO EVENT SHALL Myrland Systemutvikling BE LIABLE FOR ANY
	DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
	(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
	LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
	ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
	SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <cgf/entity.hpp>
#include <cgf/error.hpp>

#include <iostream>

using namespace std;
using namespace CGF;

//	Remove a specific component
int Entity::removeComponent ( string name )
{
	
	for ( ManagedContainer<Component, std::list, boost::shared_ptr>::iterator iter = m_components.begin(); iter != m_components.end(); iter++ )
	{
		//	Remove and return
		if ( (*iter)->name() == name )
		{
			m_components.erase ( iter );
			return 1;
		}
	}
	return 0;
}

boost::shared_ptr<Component> Entity::getComponent ( std::string name )
{
	ManagedContainer<Component, std::list, boost::shared_ptr>::iterator iter = m_components.begin();
	for ( ; iter != m_components.end(); iter++ )
	{
		if ( (*iter)->name() == name )
			return (*iter);
	}
	throw Error ( "Unable to find component " + name + " in Entity::getComponent" );
}

//	Remove every component which has the class name
int Entity::removeComponentFamily ( string name )
{
	int removed = 0;
	ManagedContainer<Component, std::list, boost::shared_ptr>::iterator iter = m_components.begin();
	while ( iter != m_components.end() )
	{
		//	Remove and return
		if ( (*iter)->name() == name )
		{
			iter = m_components.erase ( iter );
			removed++;
		}
		else
		{
			iter++;
		}
	}
	return removed;
}


void Entity::addComponent ( Object<Component>::ptr comp )
{	
	//	Add the component directly to the component list
	m_components.push_back ( comp );
	
	//	Then sort the list by importance
	m_components.sort( );
}

Entity::Entity()
{
}
Entity::~Entity()
{
}
